John, One or two thoughts which may or may not be helpful.
On Friday, 14 January 2022 15:24:31 GMT JD wrote: > I have a Brother laser printer - DCP1612W. Yesterday I scanned a couple > of photos and saved them as jpg's. About a half-hour later I got only > an error message each time I ran xsane, and that is still the case. > Printing continues to work as normal. Caveat: I've never used any kind of Brother Device; I've always bought HP. > Details: > Ubuntu 20.04.3 > The error message is: "Failed to open device 'brother4:net;dev0': > Invalid argument." No thoughts on this. > It's configured to connect via WLAN. The IP address appears in the > router list occasionally but usually not. For various reasons, I've always configured utility devices on my home network with a static IP Address. On my HP, I can then browse to it's Home Page to check its status. Does you Brother have a web page? > After: scanimage -L > I get "device `brother4:net1;dev0' is a Brother *DCP1610W DCP1612W", so > the correct model is known about. What did I do in the fateful 30 mins yesterday afternoon!? I have no idea really, but since it is not always visible in your Router settings, I would suspect that the WiFi connection isn't all it could be. -- Terry Coles -- Next meeting: Online, Jitsi, Tuesday, 2022-02-01 20:00 Check to whom you are replying Meetings, mailing list, IRC, ... http://dorset.lug.org.uk New thread, don't hijack: mailto:firstname.lastname@example.org